package com.heima.user.service.imp;

import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.jsoup.helper.StringUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;


/**
 * Created with IntelliJ IDEA.
 *
 * @Author: HUAN
 * @Date: 2024/02/07/23:11
 * @Description:
 */
@Service
@Transactional
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Override
    public ResponseResult login(LoginDto dto) {

        //1.正常登录 用户名和密码
        if(StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPassword())){
            //1.1 根据手机号查询用户信息
            ApUser dbUser  = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone,dto.getPhone()));
            if(dbUser == null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户信息不存在");
            }
            //1.2 比对密码
            String salt = dbUser.getSalt();//获取数据库中的盐
            String password = dto.getPassword();//获取用户输入的密码
            String pswd = DigestUtils.md5DigestAsHex((password + salt).getBytes());//相加生成md5
            if(!pswd.equals(dbUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

            //1.3 返回数据 jwt
            String token = AppJwtUtil.getToken(dbUser.getId().longValue());//生成token
            Map<String,Object> map = new HashMap();
            map.put("token",token);
            //这两个不显示 直接设置为“”
            dbUser.setSalt("");
            dbUser.setPassword("");
            map.put("user",dbUser);

            return ResponseResult.okResult(map);
        }



        //2.游客登录
        return null;
    }
}
